CO2 Uptake and Electron Transport Rates in Wild-Type and a Starchless Mutant of Nicotiana sylvestris (The Role and Regulation of Starch Synthesis at Saturating CO2 Concentrations).

abstract：:Amyloplast envelope membranes isolated from cultured, white-wild cells of sycamore (Acer pseudoplatanus L.) have been found to contain a Mg(2+)-ATPase, ranging in specific activity from 5 to 30 nanomoles per minute per milligram protein. This ATPase hydrolyzes a broad range of nucleoside triphosphates, whereas it hydr...

journal_title：Plant physiology

authors： Harinasut P,Takabe T,Akazawa T,Tagaya M,Fukui T

更新日期：1988-09-01 00:00:00

abstract：:Dunaliella bardawil, a beta-carotene-accumulating halotolerant alga, has been analyzed for the effect of various growth conditions on its pigment content, and compared with Dunaliella salina, a beta-carotene nonaccumulating species. In D. bardawil, increasing light intensity and light period or inhibiting growth by va...

journal_title：Plant physiology

authors： Ben-Amotz A,Avron M

更新日期：1983-07-01 00:00:00

abstract：:Two α/β-fold hydrolases, KARRIKIN INSENSITIVE2 (KAI2) and Arabidopsis thaliana DWARF14 (AtD14), are necessary for responses to karrikins (KARs) and strigolactones (SLs) in Arabidopsis (Arabidopsis thaliana). Although KAI2 mediates responses to KARs and some SL analogs, AtD14 mediates SL but not KAR responses. To furth...

journal_title：Plant physiology

authors： Scaffidi A,Waters MT,Sun YK,Skelton BW,Dixon KW,Ghisalberti EL,Flematti GR,Smith SM

更新日期：2014-07-01 00:00:00

abstract：:Membrane fractions from mature silver beet (Beta vulgaris) deveined leaf and leaf stem homogenates have associated Ca(2+) -dependent protein kinase. The Ca(2+) -dependent protein kinase activity is associated with plasma membranes (density 1.14-1.18 grams per cubic centimeter) as determined from copurification on isop...

journal_title：Plant physiology

authors： Klucis E,Polya GM

更新日期：1988-09-01 00:00:00

abstract：:Air pollutants are known to cause visible leaf injury as well as impairment of photosynthetic CO(2) fixation. Here we evaluate whether the effects on photosynthesis are large enough to cause changes in the relative composition of stable carbon isotopes, delta(13)C, of plant tissue samples, and, if so, how the changes ...

journal_title：Plant physiology

authors： Martin B,Bytnerowicz A,Thorstenson YR

更新日期：1988-09-01 00:00:00

abstract：:Isolated cells obtained by enzymic digestion of young primary leaves of cold-hardened, dark-grown Kharkov winter wheat (Triticum aestivum L.) were exposed to various low temperature stresses. The initial uptake of (86)Rb was generally decreased by increasing concentrations of Ca(2+), but after longer periods of incuba...

journal_title：Plant physiology

authors： Pomeroy MK,Andrews CJ

更新日期：1985-07-01 00:00:00

abstract：:The structure of a glucuronoarabinoxylan in Zea mays L. (hybrid B73 x Mo17) shoot cell walls has been studied. The water-insoluble fraction of Zea shoot cell walls, pretreated with purified Bacillus subtilis (1 --> 3), (1 --> 4)-beta-d-glucan 4-glucanohydrolase, was treated with purified B. subtilis endo-(1 --> 4)-bet...

journal_title：Plant physiology

authors： Kato Y,Nevins DJ

更新日期：1984-07-01 00:00:00

abstract：:Chlorophyll a fluorescence of Synechococcus UTEX 625 was quenched during the transport of inorganic carbon, even when CO(2) fixation was inhibited by iodoacetamide. Measurements with a pulse modulation fluorometer showed that at least 75% of the quenching was due to oxidation of Q(a), the primary acceptor of photosyst...

journal_title：Plant physiology

authors： Miller AG,Espie GS,Canvin DT

更新日期：1988-09-01 00:00:00

abstract：:Exposure of six wheat (Triticum aestivum L.) and one rye (Secale cereale L.) cultivar to 40% relative humidity for 24 hours induced the same degree of freezing tolerance in seedling epicotyls as did cold conditioning for 4 weeks at 2 degrees C.Frost hardiness varietal relationships were the same in desiccation-stresse...

journal_title：Plant physiology

authors： Cloutier Y,Siminovitch D

更新日期：1982-01-01 00:00:00

abstract：:The cyanobacterium Agmenellum quadruplicatum PR-6 (Synechococcus sp PCC 7002) was grown turbidostatically in white light at three levels of irradiance: 20, 200, and 1260 microeinsteins per square meter per second. Phycobilisomes were isolated from each culture and analyzed by absorbance, gel electrophoresis, and elect...

journal_title：Plant physiology

authors： de Lorimier RM,Smith RL,Stevens SE

更新日期：1992-03-01 00:00:00

abstract：:The mechanism of sucrose transport into vacuoles isolated from leaf tissue has been studied only in barley (Hordeum vulgare) mesophyll cells. In this tissue, sucrose transport was reported to be a facilitated diffusion. We have observed a facilitated diffusion of sucrose into vacuoles isolated from this tissue. Howeve...

journal_title：Plant physiology

authors： De Leon JL,Daie J,Wyse R

更新日期：1988-10-01 00:00:00

abstract：:The use of only the upper part of the hypocotyl and the cotyledons in the Amaranthus tricolor bioassay for cytokinins, instead of the whole seedling, was found to reduce the endogenous response and give a higher benzyladenine-dependent response. There is no marked difference in the uptake or metabolism of benzyladenin...

journal_title：Plant physiology

authors： Elliott DC

更新日期：1979-02-01 00:00:00

abstract：:The kinetics of (14)CO(2) carboxylation and decarboxylation in corn root tips were determined to ascertain the sequence of product formation and subsequent utilization, and to obtain further evidence to predict the enzymes mediating the carboxylation and decarboxylations. The carboxylation data indicated that the firs...

journal_title：Plant physiology

authors： Ting IP,Dugger WM

更新日期：1967-05-01 00:00:00

abstract：:TILLING (for Targeting Induced Local Lesions IN Genomes) is a well-established method for identifying plants carrying point mutations in genes of interest. A traditional TILLING project requires a significant investment of time and resources to establish the mutant population and screening infrastructure. Here, we des...

journal_title：Plant physiology

authors： Bush SM,Krysan PJ

更新日期：2010-09-01 00:00:00

abstract：:The incorporation of [(14)C]phenylalanine and [1,6-(14)C]shikimic acid into tyrosine was investigated in the callus of Portulaca grandiflora, var. JR (L.). By inhibiting phenylalanine with 1-alpha-aminooxy-beta-phenyl-propionic acid and tyrosinase with 1-cysteine-HCl and hydrazine-hydrate, the possible synthesis of ty...

journal_title：Plant physiology

authors： Endress R

更新日期：1981-08-01 00:00:00

abstract：:42K+ and 86Rb+ were used to determine the subcellular distribution of potassium in Chlamydomonas reinhardtii by compartmental analysis. In both wild type and a mutant strain, three distinct compartments (referred to as I, II, and III) were apparent. Using 42K+, we found that these had half-lives for K+ exchange of 1.0...

journal_title：Plant physiology

authors： Malhotra B,Glass A

更新日期：1995-08-01 00:00:00

abstract：:Trypsin digestion of photosynthetic membranes isolated from spinach (Spinacia oleracea L.) leaves eliminates the cation stimulation of chlorophyll fluorescence. High concentrations of cations protect the fluorescence yield against trypsin digestion, and the cation specificity for this protection closely resembles that...

journal_title：Plant physiology

authors： Jennings RC,Forti G,Gerola PD,Garlaschi FM

更新日期：1978-12-01 00:00:00

abstract：:Indirect defense of plants against herbivores often involves the induced emission of volatile infochemicals including terpenoids that attract natural enemies of the herbivores. We report the isolation and characterization of a terpene synthase cDNA (LjEbetaOS) from a model legume, Lotus japonicus. Recombinant LjEbetaO...

journal_title：Plant physiology

authors： Arimura G,Ozawa R,Kugimiya S,Takabayashi J,Bohlmann J

更新日期：2004-08-01 00:00:00

abstract：:Kinematic analysis has provided important insights into the biology of growth by revealing the distribution of expansion within growing organs. Modern methods of kinematic analysis have made use of new image-tracking algorithms and computer-assisted evaluation, but these methods have yet to be adapted for examination ...

journal_title：Plant physiology

authors： Basu P,Pal A,Lynch JP,Brown KM

更新日期：2007-10-01 00:00:00

abstract：:To investigate the relation between cell division and expansion in the regulation of organ growth rate, we used Arabidopsis thaliana primary roots grown vertically at 20 degreesC with an elongation rate that increased steadily during the first 14 d after germination. We measured spatial profiles of longitudinal veloci...

journal_title：Plant physiology

authors： Beemster GT,Baskin TI

更新日期：1998-04-01 00:00:00

abstract：:The pool sizes of free l-phenylalanine and l-tyrosine, the precursors of rosmarinic acid in Anchusa officinalis L. cell suspension cultures, fluctuated during the culture cycle. The major increase in pool sizes was preceded by a peak of prephenate aminotransferase activity, while the subsequent decrease coincided with...

journal_title：Plant physiology

authors： De-Eknamkul W,Ellis BE

更新日期：1989-02-01 00:00:00

abstract：:Developmental changes of tomato (Lycopersicon esculentum) fruit tissues during maturation were analyzed by a physically defined method (stress-relaxation analysis). The tip of a conical probe connected to a load sensor was positioned on the cut surface of a sliced tomato fruit, and the decay of the imposed stress was ...

journal_title：Plant physiology

authors： Kojima K,Sakurai N,Kuraishi S,Yamamoto R,Nevins DJ

更新日期：1991-06-01 00:00:00

abstract：:Lack of sufficient water is a major limiting factor to crop production worldwide, and the development of drought-tolerant germplasm is needed to improve crop productivity. The phytohormone ethylene modulates plant growth and development as well as plant response to abiotic stress. Recent research has shown that modify...

journal_title：Plant physiology

authors： Shi J,Habben JE,Archibald RL,Drummond BJ,Chamberlin MA,Williams RW,Lafitte HR,Weers BP

更新日期：2015-09-01 00:00:00

abstract：:Calmodulin antagonists, trifluoperazine, chlorpromazine, calmidazolium, N-(6-aminohexyl)-5-chloro-1-naphthalenesulfonamide (W-7), strongly inhibited the electrofusion of barley (Hordeum vulgare L. cv Moor) protoplasts with a marked increase of broken fusion products, after 60 minutes of incubation. W-5, a dechlorinate...

journal_title：Plant physiology

authors： Abe S,Takeda J

更新日期：1986-08-01 00:00:00

abstract：:Sex determination in cucumber (Cucumis sativus L.) is controlled largely by three genes: F, m, and a. The F and m loci interact to produce monoecious (M_f_) or gynoecious (M_f_) sex phenotypes. Ethylene and factors that induce ethylene biosynthesis, such as 1-aminocyclopropane-1-carboxylate (ACC) and auxin, also enhan...

journal_title：Plant physiology

authors： Trebitsh T,Staub JE,O'Neill SD

更新日期：1997-03-01 00:00:00

abstract：:Rhizobium promoters involved in the formation of root nodules on leguminous plants are activated by flavonoids in plant root exudate. A series of Rhizobium strains which all contain the inducible Rhizobium leguminosarum nodA promoter fused to the Escherichia coli lacZ gene, and which differ only in the source of the r...

journal_title：Plant physiology

authors： Zaat SA,Wijffelman CA,Mulders IH,van Brussel AA,Lugtenberg BJ

更新日期：1988-04-01 00:00:00

abstract：:Plasma membrane-resident receptor kinases (RKs) initiate signaling pathways important for plant immunity and development. In Arabidopsis (Arabidopsis thaliana), the receptor for the elicitor-active peptide epitope of bacterial flagellin, flg22, is encoded by FLAGELLIN SENSING2 (FLS2), which promotes plant immunity. De...

journal_title：Plant physiology

authors： Frei dit Frey N,Mbengue M,Kwaaitaal M,Nitsch L,Altenbach D,Häweker H,Lozano-Duran R,Njo MF,Beeckman T,Huettel B,Borst JW,Panstruga R,Robatzek S

更新日期：2012-06-01 00:00:00

abstract：:This study was performed to test if alternative carbon sources besides recently photosynthetically fixed CO2 are used for isoprene formation in the leaves of young poplar (Populus x canescens) trees. In a 13CO2 atmosphere under steady state conditions, only about 75% of isoprene became 13C labeled within minutes. A co...

journal_title：Plant physiology

authors： Schnitzler JP,Graus M,Kreuzwieser J,Heizmann U,Rennenberg H,Wisthaler A,Hansel A

更新日期：2004-05-01 00:00:00

abstract：:A new isolation procedure has resulted in an improved yield of stable 68S chloroplast ribosomes from Euglena gracilis var. bacillaris. Chloroplasts are isolated by suspending the cells in buffer I (sorbitol, 250 mm; sucrose, 250 mm; Ficoll, 2.5% [w/v]; magnesium acetate, 1 mm; bovine serum albumin, 0.01% [w/v]; mercap...

journal_title：Plant physiology

authors： Schwartzbach SD,Freyssinet G,Schiff JA

更新日期：1974-04-01 00:00:00

abstract：:The relationship between loss of ribulose-1,5-bisphosphate carboxylase (RuBPCase) and the decline in photosynthesis during the senescence of barley primary leaves was assessed. Loss of RuBPCase accounted for about 85% of the decrease in soluble protein. RuBPCase was highly correlated with in vitro RuBPCase activity (r...

journal_title：Plant physiology

authors： Friedrich JW,Huffaker RC

更新日期：1980-06-01 00:00:00